单词：underwater acoustics
水声学
underwater acoustics的用法和样例：
词汇搭配
- under water在水下面
单词：underwater acoustics 相关文章
By Melinda Smith Washington, DC 20 July 2006 watch Implanon report The U.S. Food and Drug Administration has approved a new birth control device for American women. The device is called Implanon. It already is being used by two and a half million wo
发表于:2019-01-19 / 阅读(105) / 评论(0)
2006年VOA标准英语（七月）
2006年VOA标准英语（七月）